固体碱催化剂
- 网络solid base catalyst
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固体碱催化剂在空气中放置会吸收空气中的水份和CO2而中毒,使用前需要在N2气氛下煅烧来活化催化剂。
Thermal treatment of the solid base catalyst in N2 ambience is needed before use because the catalyst is likely to be contaminated by adsorbing H2O and CO2 in air .
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新型固体碱催化剂及其催化制备生物柴油的工艺研究
Study on preparation technology of solid base catalyst and biodiesel
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固体碱催化剂(K2O/C)的制备及其催化酯交换反应
Preparation of solid base of K_2O / C and transesterification catalyzed by the catalyst
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微量吸附量热法测定负载型固体碱催化剂K2O/γ-Al2O3的表面碱性
Microcalorimetric measurement of surface basicity of the loading solid basic catalyzer k_2o / γ al_2o_3
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负载型Cs2O固体碱催化剂的制备及催化酯交换反应性能
Preparation of supported Cs_2O solid base catalysts and performance of catalyzing transesterification reaction
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并分别优化了NaOH催化、KNO3/Al2O3固体碱催化剂催化,微波加热条件下的酯交换反应。
The transesterification using NaOH and KNO3 / Al2O3 solid base catalyst in the presence of microwave were also optimized respectively .
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以Ca(Ac)2溶液浸渍MgO载体制得负载型钙镁固体碱催化剂,可以用于菜籽油酯交换反应生产生物柴油。
Supported CaO / MgO solid base catalysts , used in the transesterification of rapeseed oil to produce biodiesel were prepared by impregnating MgO carrier with Ca ( Ac ) _2 solution .
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研究了KNO3/Al2O3固体碱催化剂的焙烧温度和KNO3负载量对酯交换反应的影响。
The influence of calcination temperature and loading amount of KNO3 on transesterification were researched .
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水滑石作为固体碱催化剂替代NaOH等均相碱性催化剂广泛应用于加氢、聚合、缩合反应、烷基化反应和重整反应。
Hydrotalcite-like compounds have been widely used in hydrogenation , polymerization , condensation , alkylation and reforming reaction which can substitute for traditional homogeneous base catalysts such as NaOH .
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研究了以γAl2O3为载体的固体碱催化剂对甲醇与碳酸亚丙酯酯交换合成碳酸二甲酯反应的活性。
The activity of potassium compounds supported on γ Al 2O 3 catalysts for synthesis of dimethyl carbonate by transesterification between methanol and propylene carbonate ( PC ) has been investigated .
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通过对比筛选了孔径均匀,具有高比表面积和大的吸附容量的介孔分子筛MCM-41作为固体碱催化剂的载体。
Via contrast and filtration , mesoporous MCM-41 which has well-defined pore size and shape , high specific surface and large adsorption capability was chosen as carrier of solid base catalysts .
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研究结果表明:氧化钡固体碱催化剂和KOH催化剂的催化机理一样,且催化剂反应后经分离、洗涤干燥后继续参与反应能延长催化剂的使用寿命。
The results show that : the catalyst mechanism of barium oxide is the same of KOH catalyst , extend the life cycle of the catalyst after reaction by separation , washing and drying .
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将上述磁性催化剂前体经过适当温度焙烧,得到磁性纳米固体碱催化剂MgAl(O)/MgFe2O4。
Magnetic solid base catalyst MgAl ( O ) / MgFe2O4 have been obtained from magnetic precursor MgAl-CO3-LDH / MgFe2O4 calcined at proper temperature in open air .
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通过对窄分布醇醚的催化剂的综合催化性能进行比较,筛选得到综合性能较优的镁铝复合金属氧化物固体碱催化剂MAOB。
A good catalyst , Mg-Al complex oxides solid base ( MAOB ) was selected through the comprehensive comparison of catalytic properties of a few catalysts for FAPNRD .
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主要研究结果如下:1.采用煅烧法制备一系列硅酸盐固体碱催化剂,并对其进行筛选,结果显示Na2SiO3·9H2O能够作为原料制备固体碱催化剂。
A series sodium solid solid catalyst was prepared by calcination in this paper and selected . The results showed that Na2SiO3 · 9H2O can be used as raw material to prepare solid base catalyst .
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固体碱催化剂酯交换反应制备生物柴油的研究
Study on Solid Alkali Catalysts for Synthesis of Biodiesel from Transesterification
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固体碱催化剂合成丙烯酸甲酯活性的研究
Research on activity of solid base catalyst in methyl acrylate synthesis
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以活性碳为模板制备多孔固体碱催化剂
Preparation of Porous Solid Bases by Employing Active Carbon as Template
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非均相固体碱催化剂用于酯交换反应研究
Solid Base Catalysts for the Transesterification Reaction of Rape Oil
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固体碱催化剂氮化磷酸铝的制备及稳定性
Preparation and stability of a solid basic catalyst aluminophosphate oxynitride
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层状前体法制备多孔尖晶石型磁性载体及固体碱催化剂
Investigations on Porous Magnetic Carrier and Solid Base Catalyst from Layered Precursors
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固体碱催化剂上丙酮气相缩合制异佛尔酮反应性能研究
Gas-phase Aldol Condensation of Acetone to Isophorone over Various Solid Base Catalysts
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在固体碱催化剂上甲烷氧化偶联反应的研究
Investigation of the oxidative coupling reaction of methane on solid basic catalysts
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固体碱催化剂上碳酸甲乙酯的洁净合成
Clean Synthesis of Ethyl Methyl Carbonate over Solid Alkali Catalysts
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制备生物柴油的固体碱催化剂研究进展
Advance in Research of Solid Base Catalysts for Biodiesel Synthesis
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固体碱催化剂合成2-羟丙基甲醚的研究
Study on Synthesizing 1-Methoxy-2-Propanol by Using Solid Base Catalyst
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类水滑石固体碱催化剂材料的制备及其性能研究
Preparation and Catalytic Properties of Activated MgAl-Layered Double Hydroxides as Solid Base Catalysts
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概述了固体碱催化剂在催化反应中应用的最新进展,总结了近年来固体碱催化剂在(1)双键异构化反应;
Progress on application of solid base catalysts in catalytic reactions was reviewed .
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新型高比表面固体碱催化剂制备、结构及其性能研究
Investigations on Synthesis , Structure and Properties of New-Style High-Surface-Area Solid Base Catalyst
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考察了固体碱催化剂上2&丙基甲醚合成反应的工艺条件。
The reaction conditions of synthesizing 1-methoxy-2-propanol by solid base catalyst were investigated .